From: Sam Ravnborg <sam@ravnborg.org>
To: Al Viro <viro@ZenIV.linux.org.uk>
Cc: "Luck, Tony" <tony.luck@intel.com>, linux-kernel@vger.kernel.org
Subject: Re: new asm-offsets.h patch problems
Date: Mon, 12 Sep 2005 21:01:01 +0200 [thread overview]
Message-ID: <20050912190101.GB13374@mars.ravnborg.org> (raw)
In-Reply-To: <20050912165056.GM25261@ZenIV.linux.org.uk>
On Mon, Sep 12, 2005 at 05:50:56PM +0100, Al Viro wrote:
> On Mon, Sep 12, 2005 at 09:00:06AM -0700, Luck, Tony wrote:
> > So I still don't understand what is really happening here.
> >
> > I left my build script running overnight ... working on a
> > kernel at the 357d596bd... commit (where Linus merged in
> > my tree last night). This one has your "archprepare" patch
> > already included.
> >
> > Sometimes a build for a config succeeds, and sometimes it
> > fails. (tiger_defconfig for the last six builds has had a
> > GOOD, BAD, BAD, BAD, GOOD, GOOD sequence, while bigsur_defconfig
> > went GOOD, BAD, BAD, BAD, BAD, BAD). This non-determinism
> > doesn't fit in well with your explanation of missing defines
> > for PAGE_SIZE etc.
>
> There's more, apparently - I'm seeing
> make # successful full build
> make C=2 # triggering full rebuild, not just sparse run
The circular dependency:
asm-offsets.c depends on asm-offsets.h and is used to generate
asm-offsets.h. So if they do not have equal timestamp all files
including asm-offsets.h (direct or indirect) will be rebuild.
Do you see same pattern as Tony where the same build sometimes goes
well, sometimes goes bad?
Sam
next prev parent reply other threads:[~2005-09-12 18:58 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-12 16:00 Luck, Tony
2005-09-12 16:50 ` Al Viro
2005-09-12 19:01 ` Sam Ravnborg [this message]
2005-09-12 18:59 ` Sam Ravnborg
2005-09-13 0:08 ` Peter Chubb
-- strict thread matches above, loose matches on Subject: below --
2005-09-13 0:14 Luck, Tony
2005-09-12 21:02 Luck, Tony
2005-09-12 23:17 ` Tony Luck
2005-09-11 21:48 Luck, Tony
2005-09-11 22:07 ` Sam Ravnborg
2005-09-11 20:39 Luck, Tony
2005-09-11 21:36 ` Sam Ravnborg
2005-09-11 14:54 Luck, Tony
2005-09-11 6:07 Luck, Tony
2005-09-11 7:45 ` Sam Ravnborg
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